AIIMS NOVEMBER 2010 MDS ENTRANCE PAPER

7/29/2019 AIIMS NOVEMBER 2010 MDS ENTRANCE PAPER

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AIIMS November 2010 MDS/Dental

Entrance Question paper with answers

The Questions from AIIMS Nov 2010 MDS/Dental Entrance,All the Best for your entrance exams. Follow the questionpapers and do well in Entrances. As we have seen thatprevious questions are repeated a lot of times it is sensibleto be up to date with the questions and practice them morethan once.

1. A 8 year old child has increased horizontal anteriorbone loss with premature loss of deciduous teeth. Thereis defective cementum and shows excretion of

phosphoethanolamine in the urine. The child is sufferingfrom ?

1. Hypophosphophatasia2. Vit. D resistant rickets3. Juvenile Periodontitis4. OsteomalaciaAns: 1

2. A 9 year old female patient with severe oral ulceration issuffering with salivation, fever, headache and malaise. Thepeeling of skin of hand and sole in noted. There is increasedtendency for sweating. She is also giving one month historyof using a new teething gel available in the market, the mostprobable prognosis is ? (Repeat from Aiims 2008)

1. Erosive lichen Planus


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2. Epidermolysis Bullosa3. Acrodynia4. Steven Johnsons syndromeAns: 3

3. A Radicular Cyst is associated with ?

1. Vital tooth2. Non-Vital tooth3. Both4. NoneAns: 2

4. Ehler Danlos Syndrome is ? (Repeat from AIPG 2009)

1. Autosomal Dominant2. Autosomal Recessive3.

X-linked dominant

4. X-linked recessiveAns: 1

5. Increased Monocytic count is seen in Typhus and which ofthe following conditions ? (Repeat from AIIMS May 2007)

1. SABE2. Herpes LAbialis3. HIV4. Characteristic Parasitic InfectionsAns: 1

6. Moth Eaten Appearance is seen in all except ?

1. Osteomylletis


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2. Haemorrhagic Cyst3. OKC4. OsteosarcomaAns: 2

7. Radiographs of a 40 year old female revealed radiolucentareas around several of her mandibular teeth, all teeth whichtested vital on the electric pulp tester. These areas represent?

1. Multiple granulomas2. Periapical osteofibrosis3. Chronic Periapical abscess4. Bone hypoplasias associated with opalescent teethAns: 2

8. Which of the following presents as radiopaque area foundat the root apex of young permanent teeth involved in

chronic pulpitis ?

1. Apical Cyst2. Apical Condensing Osteitis3. Chronic Apical Periodontitis4. Stage one Apical OsteofibrosisAns: 2

9. A patient shows a radiolucent area surrounding the apicesof mandibular anterior teeth which are vital. The mostprobable diagnosis is ? (Repeat from Aiims Nov 2008)

1. Periapical granuloma2. Cementoblastoma3. Radicular cyst4. Chronic Abscess


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Ans: 2

10. Which radiographic technique is best for detectingproximal carious lesion with minimum X-ray exposure ?

1. Bitewing with Bisecting angle technique2. Bitewing with Paralleling technique3. Bitewing with RVG4. Panoramic radiographyAns: 3

11. Bisecting angle technique is based on ?

1. ALARA principle2. SLOB technique3. Rule of Isometry4. ConvergenceAns: 3

12. A male patient aged 45 years complains of a firm,painless swelling in the anterior palate and bilaterallysymmetrical heart shaped radiolucency in between thecentral incissors. The teeth are vital. Most probablediagnosis is ?

1. Nasoalveolar cyst2. Median Palatal cyst3. Globulomaxillary cyst4. Nasopalatine canal cystAns: 4

13. A vertical radiolucent line extending between maxillarycentral and lateral incisor represents ?

1. An Artifact


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2. Facture line3. Nutrient Canal4. Sinus and FistulaAns: 1

14. Green stains found on recently erupted upper anteriorteeth of child which are not removed after brushing are dueto ?

1. Chromogenic bacteria2. Neonatal Line3. Calculus4. Materia AlbaAns: 1

15. To predict the occurrence of caries in a 6 year old childwhich of the following gives the best result ?

1. Sibling caries2. Mothers caries3. Synders Test4. Parental CariesAns: 2

16. The reason why primary molars appear lighter in color is

?

1. Due to less thickness of dentin underlying enamel2. Different color3. Because of contrast with the adjacent tissue4. Different refractive indexAns: 4

17. Which of the following is true about the initiation of


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calcification of teeth ?

1. Initiation of calcification of primary teeth is complete atthe time of birth

2. Initiation of calcification of all primary teeth andpermanent incissors complete at birth

3. Initiation of calcification of all primary and permanentteeth completes at birth except 3rd molars

4. Calcification of primary teeth starts after birthAns: 1

18. Root resorption of maxillary decidious central incissorsstarts by ?

1. 3 years2. 4 years3. 5 years4. 6 yearsAns: 2

19. Histologically the dental pulp most closely resembleswhat type of tissue ?

1. Nerve tissue2. Vascular tissue3. Granulation tissue4. Loose Connective tissueAns: 4

20. Why the acid etchant is supplied in gel form ?

1. To have better control over flow2. To get higher concentration of etchant3. To act more rapidly on enamel surface


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4. To get good taste in patient mouthAns: 1

21. Dentin Conditioner. True is ?

1. Remove Smear Layer2. Increases free surface energy of dentin3. Has low viscosity and bonds to tooth surface tubules4. Forms a layer of resin on dentinAns: 1

22. What is the approximate stress caused by polymerisationcontraction of composite ?

1. 1 MPa2. 5 MPa3. 15 MPa4. 30 MPaAns: 2

23. A Dentin Primer

1. Etches the Dentin2. Raises the surface free energy of the dentin3. Removes the smear layer4. Bonds the compositeAns: 2

24. How deep is the micro-porus layer created by etchingthe enamel (in Micrometers)

1. 0-52. 5-503. 50-500


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4. 500-5000Ans: 2

25. If a patient has gingival recession, how far should thegutta percha be trimmed back before sealing the coronalportion ?

1. 1mm below the level of recession2. 1mm below the ACJ3. 1mm below the canal opening4. 1mm below the roof of the pulp chamberAns: 1

26. If you choose to temporarily seal the access cavity of atooth with kalzinol, how thick should it be ?

1. 1 mm2. 2 mm3. 3 mm4. 4 mmAns: 3 (Kalzinol is Zinc Oxide temporary cement)

27. On preparing the root canal with a protaper F2 file, 1mmof the GP cone is cut so as to fit the canal with friction. Thediameter of the apical region is ?

1. 0.29mm2. 0.30mm3. 0.31mm4. 0.32mmAns: 3

28. Magnification allowed in working length determination

by paralleling technique is ?


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1. None2. 1mm3. 2mm4. 3mmAns: 3

29. A Traumatized tooth with necrotic pulp shows periapicalarea of rarefaction radiographically. The pulpal area isclosed. Viable microorganisms might be cultured from thecanal in approximately what percentage of cases ?

1. 10%2. 30%3. 40%4. 80%Ans: 4 (Enterococci are found mostly)

30. Which of the following is not a Kochs Postulate ?

1. The bacteria should be able to be isolated fromdiseased tissue

2. When inoculated in experimental animals, bacteria mayor may not cause disease

3. Pure cultures can be obtained4. Bacteria should be able to be isolated from the

diseased tissue in the experimental animals

Ans: 2

31. To identify the key microrganisns in periodontal disease,kochs postulates have been modified by ?

1. Socransky2. Glickman3. Russel


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4. VermillionAns: 1

32. According to Glickman, maximum accumilation ofplaque takes place in approximately ?

1. 7 days2. 15 days3. 30 days4. 60 daysAns: 3

33. The Bacterial density or concentration in saliva on anaverage is ?

1. 500 million / ml2. 87 million / ml3. 45 million / ml4. 750 million / mlAns: 4

34. After cleaning and Pumicing the tooth surface plaqueformation begins to form after ?

1. Few minutes2. 1 hour3. 2 to 4 hours4. 1 dayAns: 1

35. The depth of clinical gingival sulcus is the distancebetween the gingival margin to the ?

1. Cementoenamel junction2. Alveolar crest


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3. Apical extension of junctional epithelium4. Apical penetration of the probeAns: 4

36. Which of the following conditions requiresgingivoplasties as it creates gingival defects ?

1. ANUG2. Desquamative gingivitis3. Erosive Lichen Planus4.

Acute Herpatic gingivostomatitis

Ans: 1

37. A periodontal pocket of 8 mm deep having thejunctional epithelium coronal to CE junction is ?

1. An Infrabony pocket2. A Pseudopocket3. A true periodontal pocket4. A Furcation involvementAns: 2

38. Severe Alveolar Bone loss is seen in patients withJuvenile Periodontitis is related to ?

1. Impaired Osteoblastic activity2. Increased Phagocytosis3. Increased Macrophage migration4. Impaired Neutrophil chemotaxisAns: 4

39. Which of the following organism is not implicated inetiology of Periodontal disease ?

1. Bacteroides


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2. Wollinella3. Neisseria4. EikenellaAns: 3

40. One common Radiographic finding in clinical gingivitis ?

1. Vertical Bone loss2. Normal Bone pattern3. Horizontal Bone loss4. Increase in Bone densityAns: 2

41. A 9-year-old child having carious maxillary lateralincisor got small swelling over the respective area. In 48hours the swelling enlarged and reached the lower border ofeye, very sensitive to touch and hot, painful to the touchstimuli. The lymph node is palpable and he has little fever,

the swelling rebounds on pressure. The recommendedtreatment is ?

1. Antibiotic and hot fomentation2. Incision and Drainage3. Injection of sclerosing unit4. Application of pressure bandageAns: 2

42. A patient on steroid therapy has to undergo electiveextraction of many teeth. The premedication indicated priorto surgical procedure is ?

1. NSAIDS2. Antibiotics3. Antihistamines


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4. AntihypertensivesAns: 2

43. In Bilateral Parasymphyseal fractures of the mandible thefractured segment is displaced posteriorly under theinfluence of ?

1. Anterior belly of digastric, mylohyoid and geniohyoid2. Masseter, medial pterygoid and Lateral pterygoid3. Buccinator, anterior and posterior belly of Digastric4. Genioglossus, geniohyoid and Posterior belly of

Digastric

Ans: 4

44. Most common cause of pulmonary embolism ?

1. Thrombophlebitis2. End Arteritis3. Atherosclerosis4. LymphangitisAns: 1

45. A middle aged female patient has eyes widely placed,sparse hair, increased systolic BP, increased pulse pressure,weight loss and nervousness. She may be suffering from ?

1. Hyperthyroidism2. Hypothyroidism3. Hyperparathyroidism4. HypopituitarismAns: 1

46. While giving Epidural nerve block by median approach

which of the following ligaments are not encountered in themidline ?


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1. Supraspinous ligament2. Interspinous ligament3. Posterior longitudinal4. Ligamentum flavumAns: 3

47. All of the following are true about standard error ofmean except ?

1. It is mean of samples based on normal distribution2.

It is calculated from standard deviation of mean

3. Used to estimate confidence limit4. Standard error increases with size of sampleAns: 4

48. Which of the following is an impact indicator forevaluation of ASHAS performance ?

1. Number of ASHAS trained2. Number of ASHAS attending review meeting every year3. Infant mortality rate4. Percentage of deliveries with skilled assistanceAns: 2

49. Which of the following is true about Z score ?

1. Normal Distribution2. Binominal distribution3. Chi-square test4. Non-parametric methodAns: 1

50. Midline cerebellar lesions manifests as all of the


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following except ?

1. Incoordinate posture and gait2. Decomposition of movements3. Titubation of head and neck4. NystagmusAns: 2

51. Hyponatraemia with increased total body sodium is seenin ?

1. Nephrotic Syndrome2. Vomiting3. Diuresis therapy4. Renal tubular acidosisAns: 1

52. A patient presents with following parameters pH 7.6.

The pCO2 is 30 mm Hg, pO2 is 102 mm Hg and HCO3 is 20mEq/L. Which of the following correctly describes thecompensatory mechanism ?

1. Respiratory Alkalosis2. Metabolic Alkalosis3. Respiratory Acidosis4. Metabolic AcidosisAns: 4

53. Geniculate Neuralgia is the uncommon neuralgiaassociated with ?

1. Trigeminal Nerve2. Facial Nerve3. Optic Nerve


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4. Vagus NerveAns: 2

54. Which nerve pierces between the lateral pterygoids tosupply TMJ capsule ?

1. Auriculotemporal nerve2. Facial Nerve3. Massetric Nerve4. Auricular NerveAns: 1

55. Largest Organ in the body is ?

1. Heart2. Kidney3. Lung4. LiverAns: 4

56. Transection at Mid pons level results in ?

1. Apnoea2. Hyperventillation3. Rapid and shallow breathing4. ApneusisAns: 4

57. All of the following use cAMP as second messengerexcept ?

1. Corticotropin2. Dopamine3. Glucagon


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4. VasopressinAns: 4

58. Stability of Alveoli is maintained by ?

1. Compliance of Lung2. Residual air in alveoli3. Negative intrapleural pressure4. Reduced surface tension by surfactantAns: 4 (another factor is alveolar interdependence which

keeps the alveoli open)

59. Transport of carbon monoxide is diffusion limitedbecause ?

1. Binds very avidly with hemoglobin2. Diffusion coefficient of CO is less in water3. CO is less absorbed in water4. Alveolar membrane is less permeableAns: 1

60. Tubuloglomerular feedback occurs due to ?

1. ADH secretion in collecting Duct2. Maintain a constant solute load on distal tubule3.

Aldosterone secretion

4. Balance between ascending and descending loop ofhenle

Ans: 2

61. The fastest conducting and largest diameter fibers are ?

1. A-alpha fibers2. A-beta fibers


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3. B fibers4. C fibersAns: 1

62. Glucose transporter in Monocyte stimulated by Insulin is?

1. GLUT12. GLUT23. GLUT34.

GLUT4

Ans: 4

63. Which of these liver enzymes is basically a mitochondrialenzyme ?

1. SGPT2. SGOT3. GGT4. Alkaline phosphataseAns: 2

64. Dyslipidemia can be diagnosed by ?

1. Total cholesterol level2.

Triglycerides/cholesterol ratio

3. LDL/HDL ratio4. APoA1Ans: 3

65. Infective form for mosquito in Plasmodium Falciparum is?

1. Merozoites


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2. Sporozoites3. Gametocytes4. TrophozoitesAns: 3

66. Which of the following is not used as a disinfectant ?

1. 1-2% cetrimide2. 100% alcohol3. 2% Lysol4. 5% chloroxyleneAns: 2

67. About pseudomonas all are true except ?

1. Strict Aerobes2. Can grow in disinfectants in hospitals3.

Infection is mainly due to endogenous source

4. Most common organism in burns patientAns: 3

68. About Bacteroides all are true except ?

1. Susceptible to many antibiotics2. Present mainly in mixed infections3. Most common species in B. Fragilis4. Bile resistant AnerobesAns: 1

69. All of the following are true about Staphylococcuslugdunenesis except ?

1. It is a normal skin commensal


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2. It causes native valve endocarditis3. It is susceptible to multiple types of antimicrobials4. Some strains donot secrete coagulaseAns: 4

70. Sickle cell anemia is caused due to ?

1. Nonsense mutation of beta chain2. Missense mutation of beta chain3. Deletion of beta chain4. None of the aboveAns: 2

71. Malignant epithelial cells have increased number widerdistribution of which of the following receptors ?

1. IL-12. Laminin3. Histamine4. ComplementAns: 2

72. Cytokines and Interleukins are secreted by ?

1. Plasma cells2. Macrophages3. Lymphocytes4. PlateletsAns: 2

73. Which of the following is not an obligate carrier iffollowing situations are given ?

1. Father of a son having X-linked recessive disease


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Ans: 1

74. Why Pencillin and Erythromycin are not administered to apatient at the same time ?

1. Pencillin is inactivated by erythromycin2. Erythromycin exerts its effects extracellularly3. Erythromycin enhances the lactamase activity4. All of the aboveAns: 1

75. AntiPseudomonal cephalosporin is ?

1. Cefoperozone2. Cefuroxime3. Cefadroxil4. CefoxitinAns: 1

76. Overdose of heparin is treated by ?

1. Potassium sulfate2. Copper sulfate3. Cellulose sulfate4. Dextran sulfateAns: 1

77. True about penicillin G ?

1. Mainly excreted by kidney2. Acid resistant3. Broad Spectrum Antibiotic4. Resistance to Pencillinase


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Ans: 1

78. Reverse Steal phenomenon is shown by ?

1.

Thipentone2. Enflurane3. Isoflurane4. All of the aboveAns: 1

79. Which of the following is associated with thiazide

therapy ?

1. Impotency2. Gynecomastia3. Hyperkalemia4. OtotoxicityAns: 1

80. Loading dose depends on ?

1. Volume distribution2. Clearance3. Rate of Distribution4. Half LifeAns: 1

AIIMS NOVEMBER 2010 MDS ENTRANCE PAPER

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